She was the wife of Herbert William Fisher. She was the mother of Florence Henrietta Fisher; Herbert Albert Laurens Fisher, FRS; Arthur Alexander Fisher; Adeline Maria Vaughan Williams; Emmeline Mary Morris; Edmund Montagu Princep Fisher; Hervey George Stanhope Fisher; Admiral Sir William Wordsworth Fisher, GCB; Charles Dennis Fisher RNVR; Cordelia Curle and Edwin Fisher. Hard to believe that she had eleven children!
On the above photo Mary was 23 years old, and in January that year she had given birth to her first child, daughter Florence. On this photo she might actually already be pregnant with her next child, Herbert, who was born in spring the following year. In any case, she looks pretty exhausted on this picture.
source: Art Institute Chicago